package edu.gatech.oad.antlab.person;

/**
 * A simple class for person 2 returns their name and a modified string
 * 
 * @author Bob
 * @version 1.1
 */
public class Person2 {
	/** Holds the persons real name */
	private String name;

	/**
	 * The constructor, takes in the persons name
	 * 
	 * @param pname
	 *            the person's real name
	 */
	public Person2(String pname) {
		name = pname;
	}

	/**
	 * This method should take the string input and return its characters in
	 * random order. given "gtg123b" it should return something like "g3tb1g2".
	 * 
	 * @param input
	 *            the string to be modified
	 * @return the modified string
	 */
	private String calc(String input) {
		// Person 2 put your implementation here
		char[] oldChars = input.toCharArray();
		input = "";
		for (int i = 0; i < oldChars.length; i++) {
			int rand = (int) (Math.random() * oldChars.length);
			while (oldChars[rand] == ' ') {
				rand++;
				rand %= oldChars.length;
			}
			input += oldChars[rand];
			oldChars[rand] = ' ';
		}
		return input;
	}

	/**
	 * Return a string rep of this object that varies with an input string
	 * 
	 * @param input
	 *            the varying string
	 * @return the string representing the object
	 */
	public String toString(String input) {
		return name + calc(input);
	}
}
